Investigations on the propagation characteristics of "Tahar" apple clones (Malus sylvestris spp. orientalis)
2017
Aysabar, S.
The objectives of this study were to investigate the propagation characteristics of selected Tahar apple clones by seed, cutting and layering as well as rootstock effect on the growth behaviour of a single apple cultivar budded on them.Tahar apple seeds were stratified in damp sand for 60 days and then germinated. Three different cutting methods (straight, heel and mallet) were used for propagation by cuttings. The cuttings were treated with 0-1000-2000-4000 ppm IBA and rooted under mist propagation technique. The layering experiment was done with mound layering method. For budding, the clones of 50TE01, 50TE02 ve 50TE12 were chip budded with Galaxy Gala apple cultivar. The growth and branching characteristics of the scion cultivar were investigated. The germination rate of the apple seeds was 78.06 %. The seedlings were succesfully transferred to open field. But the seedling growth was exteremely slow over the season. The layering was succesful and mean rooted plantlets number was 20 per mother plant. The mean height and diameter of the rooted plantlets were 57 cm and 1.08 cm, respectively. The bud take rate was 77 %. The branch numbers of the scion cultivar ranged from 11 to 20 according to genotypes. The branch angle of Galaxy Gala apples was between 550 and 850. The clone of 50TE01 showed a basitony tendency for branching, however 50TE01 clones had branching on a columnar stem. It was concluded that the yield and fruit quality from different branching habit of the scion on two rootstock genotytpes should be tested with several planting intensity and training systems.
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